Need help asap

What did T-Rex Taste Like?
Go to http://www.ucmp.berkeley.edu/education/explorations/tours/Trex/navigation.html and click on "go to
beginning" and begin the simulation
1. Define common ancestor
an ancestar shared by twoormorelingeages
2. Finish the two main ideas for the first folder:
a. Life is very dirserse, yetall living things are related
b. Branching agroms sher how living thirs are related to
each other
3.
What is the basis for determining how closely related two organisms are?
4. Finish the main ideas for the second folder:
a. Lineages can be red bock intime to find a point of commen
ancestry
5. Draw a simple cladogram
Shark
6. How do cladograms help scientists?
It help find a comon ancestor
Shark
7. What do cladograms represent?
mast reascent-comon ancester
9. What symbol is used to show a feature is present in an organism?
10. What symbol is used to show a feature is not present in an organism?
11. What does the - mean?
tuna fong human hare cailman parrot
D
8. Write the main idea for folder 3:
Fill in the chart as you determine which organisms have the specified traits
Tuna
Frog
Human
Hare
Caiman
Parrot
T-Rex
TCO
damgyl's
ENERGY STAR
HE
ONAL
MUSE
OF FAME